[ltt-dev] [patch 3/9] LTTng instrumentation tasklets

Ingo Molnar mingo at elte.hu
Tue Mar 24 13:56:21 EDT 2009


* Mathieu Desnoyers <mathieu.desnoyers at polymtl.ca> wrote:

> tasklet entry and exit events.

> +DEFINE_TRACE(irq_tasklet_high_entry);
> +DEFINE_TRACE(irq_tasklet_high_exit);
> +DEFINE_TRACE(irq_tasklet_low_entry);
> +DEFINE_TRACE(irq_tasklet_low_exit);

Dunno - tasklets are a legacy mechanism, not sure we want to 
instrument them. That some tasklet activity happens will be obvious 
from the softirq tracepoints already.

Anyway ... i guess we could do it if it's done via the more complete 
TRACE_EVENT() mechanism in the tracing tree.

	Ingo




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